国内水电机组状态监测和故障诊断技术现状  

The Current Status of On-line State Monitoring and Fault Diagnosis Technologies for Hydrogenerating Unit

作　　者：刘娟[1] 潘罗平[1] 桂中华[1] 周叶[1] 

机构地区：[1]中国水利水电科学研究院,北京100038

出　　处：《大电机技术》2010年第2期45-49,共5页Large Electric Machine and Hydraulic Turbine

摘　　要：全面介绍我国水电机组水轮机、发电机、轴承和辅机系统的状态监测技术应用现状及存在的主要问题;同时对水电机组各系统的故障诊断技术现状、电厂状态检修策略的实施现状进行了全面地总结和分析。现阶段,水电机组各系统的在线监测技术虽然在短期之内能够基本满足电厂安全运行的监测需求,但是各系统监测信号、数据的精度和抗干扰水平还需进一步提高和完善,同时为实现机组运行的全面监测、机组故障诊断和电厂的状态检修,还迫切需要对低频振动监测、局放信号识别和抗干扰、空化空蚀监测、故障诊断理论研究等技术难点进行攻关和研究。The present statues and main difficulties existed in application of monitoring technologies,which applied in turbine system,generator system,bearing system and subsidiary system of hydrogenerating unit in our country were introduced roundly in this paper.And overall analysis and generalizes on maintenance schemes practicing and fault diagnosis theories were made.At present,although monitoring technologies can meet the needs of safe operation,the precise of monitoring data and anti-interference techniques of...

关 键 词：水电机组 状态监测 状态检修 故障诊断 

分 类 号：TV738[水利工程—水利水电工程]